#include<iostream>
int main()
{
	int i,a1=2,a2=3,a3;
	printf("%6d%6d",a1,a2);
	for(i=3;i<=20;i++)
	{
		a3=a1+a2;
		printf("%6d",a3);
		a1=a2;
		a2=a3;
		if(i%5==0)
			printf("\n");
	}
	system("pause");
	return 0;
} 
